[Debug Mode] GitHub Learning Lab Errors

[github-learning-lab]

This issue is used for debugging errors thrown during a course.

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• Node.js Version: v12.18.3
• Node.js Env: production
• Git SHA: 7dcaaa66f1a552e3febcd84b2db7d8e936ac6f86
• Git Branch: disable-ga-enterpriise

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Seeing a problem? Open an issue in the course repository.

[github-learning-lab]

Error in communicating-using-markdown:turn-on-github-pages:createPullRequest[pr]

HttpError: {"message":"Validation Failed","errors":[{"resource":"PullRequest","code":"custom","message":"No commits between add-headers and add-headers"}],"documentation_url":"https://docs.github.com/rest/reference/pulls#create-a-pull-request"}
    at /usr/src/learning-lab/node_modules/@octokit/rest/lib/request/request.js:72:19
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
    at async module.exports (/usr/src/learning-lab/node_modules/@github/learning-lab-components/actions/createPullRequest/index.js:4:14)
    at async Context.runActions (/usr/src/learning-lab/lib/context.js:228:24)
    at async Course.runHandler (/usr/src/learning-lab/lib/course.js:174:32)